Kolumbos 1 was primate of Numidia; in 645/646 he was joint author of a letter from the African bishops to the bishop of Rome, Theodoros 49, attacking the monothelete patriarch of Constantinople, Paulos 2; the letter was read out at the Lateran Council in October 649: Conc. Lat., pp. 66-70, cf. p. 70, line 25 (Κολοῦμβος ἐπίσκοπος τοῦ πρώτου θρόνου τῆς ἐν Νουμηδίᾳ συνόδου), p. 70, line 39-p. 71, line 2 (τὸν Νουμηδίας εὐλαβέστατον ἐπίσκοπον Κολοῦμβον, τῆς κατ' αὐτὸν ἁγίας ὄντα συνόδου τῶν ἐπισκόπων πρίμαν), p. 66, line 23, p. 67, lines 22-23, p. 71, line 39.

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